About this episode
Noted value investor Guy Spier first gained the public's attention in 2007 when he and a partner paid just over $650,000 at a charity auction to have lunch with the world's most famous investor, Warren Buffett. Spier launched his fund Aquamarine in 1997, following closely to Buffett’s principles, but closed it down in early 2026 and returned money to investors following a diagnosis of the brain cancer glioblastoma. He tells Becky Quick how facing the end of his life taught him the true meaning of value. Check out Guy Spier’s podcast and videos: https://www.youtube.com/@GSpier12 Read his newsletter: https://www.guyspier.com/ Join us in advancing awareness and understanding of rare diseases. Visit CNBC.com/Cures to access clips, resources, or to sign up for our weekly newsletter. Learn more about rare disease – and what to do in a diagnosis – at the National Organization for Rare Disorders: https://rarediseases.org/ Follow Becky Quick on X: @BeckyQuick Please share your thoughts or rare disease story in the comments, and join us on The Path. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.